MACNBR   00242
MUSEO ARGENTINO DE CIENCIAS NATURALES "BERNARDINO RIVADAVIA"
Unidad Ejecutora - UE
artículos
Título:
POLLUTION TRENDS USING BARK OF MORUS ALBA IN BUENOS AIRES AND MENDOZA CITIES (ARGENTINA)
Autor/es:
PERELMAN, P., FAGGI A,M.CASTRO MAE Y EM CARRETERO,
Revista:
REVISTA ÃRVORE
Editorial:
Sociedadede Investigacoes Florestais
Referencias:
Año: 2010 vol. 34 p. 505 - 511
ISSN:
0100-6762
Resumen:
ABSTRACT A comparative study of elements deposited on tree bark was carried out for urban and periurban
areas of two of the most important cities in Argentina. The content of Fe, Mg, Al, Mn, Zn, Pb, Ba, Cr, Hg,
Cu, Ni, Cd and Sb was determined by inductively coupled plasma atomic emission spectrometry (ICP-OES)
in Morus alba tree bark collected in the cities of Buenos Aires and Mendoza. The main air pollutants detected
in the Buenos Aires urban area were Ba, Cr, Cu and Ni and indicate significative difference from the Mendoza
urban and periurban areas. Significantly, higher concentrations of Zn, Ba, Cr and Cu were recorded in the
periurban area of the city of Buenos Aires than in Mendoza. Bark samples were strongly influenced by dust
and show Al, Fe, Mg and other element accumulations that indicate that soil particles were carried out by
wind. Elements like Ba and Zn, commonly linked to traffic emissions, showed the highest concentrations
in the Buenos Aires metropolitan area, possibly due to more intensive vehicular traffic. Our results indicated
that intensity of vehicular traffic and not city structure is responsible for air pollution.
Keywords: Bark, Pollution and Morus Alba.